Non-Voltage Tester with LED Flashlight Audible Alarm AC Voltage Sensor Pen Live/Wire JudgmentOOTDTYfeatures: Distinguish the live and nu ll wire by different frequency alarm sound. When it senses tension around it, it starts beeping even though the test pen has not touched the object. When the voltage is stronger, it beeps. Non-voltage detection, practical and convenient way to test electrical lines, audible and visual alarm always protect your safety. Using ABS and PVC material, the Voltage Tester can withstand wear and tear, and its pocket clip allows easy operation. The auto-off function saves energy, and the LED flashlight allows you to work even in dark corners. You can use a non-voltage sensor in circuit breakers, light fixtures, switches, outlets, wires, and wherever needed, the pen-shaped meter also acts as an emergency flashlight that can illuminate your work area. Specification: Material: PlasticPen Size: 17X 2cm/ 6.69x0.79 inchWire Height: 100cm/ 39.37 inchPackage Included: 1x Non-Pen AlarmNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.